720246736 has 40 divisors (see below), whose sum is σ = 1563498144. Its totient is φ = 318533760.

The previous prime is 720246731. The next prime is 720246739. The reversal of 720246736 is 637642027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 720246695 and 720246704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720246731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48790 + ... + 61813.

Almost surely, 2^720246736 is an apocalyptic number.

It is an amenable number.

720246736 is an abundant number, since it is smaller than the sum of its proper divisors (843251408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720246736 is a wasteful number, since it uses less digits than its factorization.

720246736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110659 (or 110653 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 720246736 is about 26837.4129900779. The cubic root of 720246736 is about 896.3833194595.

It can be divided in two parts, 720 and 246736, that added together give a triangular number (247456 = T₇₀₃).

The spelling of 720246736 in words is "seven hundred twenty million, two hundred forty-six thousand, seven hundred thirty-six".